EP 3721674 B1 20220713 - METHOD, COMPUTER PROGRAM, CARRIER CONTAINING THE COMPUTER PROGRAM AND WIRELESS DEVICE FOR SUPPORTING MULTIPLE ACCESS NETWORKS
Title (en)
METHOD, COMPUTER PROGRAM, CARRIER CONTAINING THE COMPUTER PROGRAM AND WIRELESS DEVICE FOR SUPPORTING MULTIPLE ACCESS NETWORKS
Title (de)
VERFAHREN, COMPUTERPROGRAMM, DATENTRÄGER MIT DEM COMPUTERPROGRAMM UND DRAHTLOSE VORRICHTUNG ZUR UNTERSTÜTZUNG MEHRERER ZUGANGSNETZWERKE
Title (fr)
PROCÉDÉ, PROGRAMME INFORMATIQUE, SUPPORT CONTENANT LE PROGRAMME INFORMATIQUE ET DISPOSITIF SANS FIL POUR PRENDRE EN CHARGE DES RÉSEAUX À ACCÈS MULTIPLE
Publication
Application
Priority
IB 2017057620 W 20171204
Abstract (en)
[origin: WO2019111034A1] Systems and methods relating to providing Data Network (IMS) session continuity across 4G access and 5G access and core networks are disclosed. In some embodiments, a method of operation of a wireless device comprises establishing over a first access network (e.g., 4G) a first packet data connection to a packet data network (e.g., IMS) identified by a first packet data network identifier (e.g., APN), performing a registration with an application entity (P-CSCF) of the packet data network; and sending over a second access network (5G) a request for a second packet data connection to the packet data network (IMS) identified by a second packet data network identifier (e.g., DNN) wherein the request comprises an identifier of the application entity (P-CSCF) of the packet data network with which the wireless device has previously registered. The request for the second packet data connection may comprise the DN public identifier (i.e., the IMS public identifier) used in the registration with the DN (IMS) and may optionally request for linking the second packet data connection to the first packet data connection in such a way that will allow control of simultaneous access to the DN over 4G and 5G. A common or different IP address may be assigned to the first packet data connection and the second packet data connection. Similar methods are provided on the policy control entity and the user plane control entity. In this manner, simultaneous access of a wireless device over 4G and 5G can be controlled.
IPC 8 full level
H04W 76/16 (2018.01); H04L 12/14 (2006.01); H04L 65/1016 (2022.01); H04L 65/1073 (2022.01); H04M 15/00 (2006.01); H04W 4/24 (2018.01); H04W 36/14 (2009.01)
CPC (source: EP US)
H04L 12/1403 (2013.01 - EP); H04L 12/1407 (2013.01 - EP); H04L 65/1016 (2013.01 - EP); H04L 65/1073 (2013.01 - EP); H04M 15/57 (2013.01 - EP); H04M 15/66 (2013.01 - EP); H04W 4/24 (2013.01 - EP); H04W 12/08 (2013.01 - US); H04W 76/16 (2018.02 - EP US); H04W 36/1443 (2023.05 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2019111034 A1 20190613; EP 3721674 A1 20201014; EP 3721674 B1 20220713; US 2020305211 A1 20200924
DOCDB simple family (application)
IB 2017057620 W 20171204; EP 17825609 A 20171204; US 201716767649 A 20171204